// check http route match requests
	errs = AppendValidation(errs, validateHTTPRouteMatchRequest(http))

	// header manipulation
	for name, val := range http.Headers.GetRequest().GetAdd() {
		errs = AppendValidation(errs, ValidateHTTPHeaderWithAuthorityOperationName(name))
		errs = AppendValidation(errs, ValidateHTTPHeaderValue(val))
	}
	for name, val := range http.Headers.GetRequest().GetSet() {

	requestHeadersToAdd, setAuthority := translateAppendHeaders(req.GetSet(), false)
	reqAdd, addAuthority := translateAppendHeaders(req.GetAdd(), true)
	requestHeadersToAdd = append(requestHeadersToAdd, reqAdd...)

	responseHeadersToAdd, _ := translateAppendHeaders(resp.GetSet(), false)
	respAdd, _ := translateAppendHeaders(resp.GetAdd(), true)
	responseHeadersToAdd = append(responseHeadersToAdd, respAdd...)

	auth := addAuthority

}

func (m *WorkloadRequest) GetPayload() isWorkloadRequest_Payload {
	if m != nil {
		return m.Payload
	}
	return nil
}

func (x *WorkloadRequest) GetAdd() *AddWorkload {
	if x, ok := x.GetPayload().(*WorkloadRequest_Add); ok {
		return x.Add
	}
	return nil
}

func (x *WorkloadRequest) GetKeep() *KeepWorkload {

		}
		if weight.Destination == nil {
			errs = multierror.Append(errs, errors.New("destination is required"))
		}

		// header manipulations
		for name, val := range weight.Headers.GetRequest().GetAdd() {
			errs = appendErrors(errs, ValidateHTTPHeaderWithAuthorityOperationName(name))
			errs = appendErrors(errs, ValidateHTTPHeaderValue(val))
		}
		for name, val := range weight.Headers.GetRequest().GetSet() {

func (r *Reloc) SetAdd(x int64)   { binary.LittleEndian.PutUint64(r[7:], uint64(x)) }
func (r *Reloc) SetSym(x SymRef) {
	binary.LittleEndian.PutUint32(r[15:], x.PkgIdx)
	binary.LittleEndian.PutUint32(r[19:], x.SymIdx)
}

func (r *Reloc) Set(off int32, size uint8, typ uint16, add int64, sym SymRef) {
	r.SetOff(off)
	r.SetSiz(size)
	r.SetType(typ)
	r.SetAdd(add)
	r.SetSym(sym)
}

	}
	return goobj.SymRef{PkgIdx: uint32(s.PkgIdx), SymIdx: uint32(s.SymIdx)}
}

func (w *writer) Reloc(r *Reloc) {
	o := &w.tmpReloc
	o.SetOff(r.Off)
	o.SetSiz(r.Siz)
	o.SetType(uint16(r.Type))
	o.SetAdd(r.Add)
	o.SetSym(makeSymRef(r.Sym))
	o.Write(w.Writer)
}

func (w *writer) aux1(typ uint8, rs *LSym) {
	o := &w.tmpAux
	o.SetType(typ)
	o.SetSym(makeSymRef(rs))
	o.Write(w.Writer)
}

			tplt := int32(rel.Size())
			ctxt.loader.SetPlt(targ, tplt)

			if su == nil {
				su = ctxt.loader.MakeSymbolUpdater(s)
			}
			r.SetSym(rel.Sym())
			r.SetAdd(int64(tplt))

			// jmp *addr
			switch ctxt.Arch.Family {
			default:
				return fmt.Errorf("internal error in windynrelocsym: unsupported arch %v", ctxt.Arch.Family)
			case sys.I386:
				rel.AddUint8(0xff)